Abstract: A measuring system includes a detector having an optical waveguide including a primary dopant capable of transmuting, by neutron capture, into a stable secondary dopant that is less neutron-absorbent than the primary dopant, a moderation layer suitable for slowing down fast neutrons, and an analysis device connected to the detector. The analysis device is configured to inject, into the waveguide, an interrogation wave having a wavelength corresponding to an absorption peak of the secondary dopant, detect a response wave emitted by the waveguide, calculate, from the detected response wave, a piece of information relating to a concentration of secondary dopant in the waveguide, and, based on the information relating to the calculated concentration of secondary dopant, determine a fluence of fast neutrons during a predetermined secondary period.

Abstract: A manual system for non-destructive testing of a part to be tested includes a sub-system for acquiring non-destructive test data comprising a probe, a sub-system for tracking the position of the probe, and a sub-system for acquiring surface characterisation data of a test zone defined on the surface of the part. The system also includes a central sub-system for controlling the test data acquisition, surface characterisation data acquisition and position tracking subsystems as a function of the test zone covered by the probe manipulated by an operator, the central subsystem being able to synchronise the operation of the test data acquisition, surface characterisation data acquisition and position tracking subsystems and to pair the data produced by the test data acquisition, surface characterisation data acquisition and position tracking subsystems during their operation.

Abstract: A bench for mechanically characterising a battery cell by applying a compressive force includes a frame carrying a bottom compression assembly and a top compression assembly, means for applying a compressive force to the cell between the compression assemblies, and a force sensor. Each compression assembly includes a compression part and a mounting surrounding the compression part. The compression part and the mounting are at least partly mechanically dissociated. The mounting of the top compression assembly carries movement sensors that measure the movement between the two mountings.

Abstract: A method for analyzing microorganisms arranged in a sample is provided, the sample including a viability marker to modify an optical property of the microorganisms in different ways depending on whether they are dead or alive, the method including illumination of the sample and acquisition of an image of the latter by an image sensor, the image sensor then being exposed to an exposure light wave; determining positions of different microorganisms from the acquired image; applying a propagation operator to calculate at least one characteristic value of the exposure light wave at each radial position and at a plurality of distances from the detection plane representing a change in the characteristic value between the image sensor and the sample; and identifying living microorganisms according to each profile.

Abstract: A method is provided for forming at least one trench to be filled with an isolating material to form an isolating trench, in a substrate based on a semiconductor material, the method including at least the following successive steps: providing a stack including at least the substrate, a first hard mask layer, and a second hard mask layer; making at least a first opening and a second opening, by carrying out isotropic etchings; performing a third, anisotropic, etching of the substrate in line with the second opening, so as to obtain the at least one trench; performing a fourth, isotropic, etching of the first layer so as to enlarge the first opening and obtain a first enlarged opening; and performing a fifth, anisotropic, etching so as to simultaneously enlarge the second opening and increase a depth of the at least one trench.

Abstract: A process for exfoliating graphene, includes a step of irradiating a first substrate comprising graphene on its surface, with a helium or hydrogen plasma containing ions of energy comprised between 10 and 60 eV. A process for fabricating graphene on the surface of a second substrate, comprising the exfoliating process.

Abstract: The present invention relates to a method for preparing an electrode comprising a metal substrate, vertically aligned carbon nanotubes and a metal oxide deposited over the entire length of said vertically aligned carbon nanotubes, said method comprising the following consecutive steps: (a) synthesizing, on a metal substrate, a mat of vertically aligned carbon nanotubes; (b) electrochemically depositing the metal oxide on said carbon nanotubes from an electrolytic solution comprising at least one precursor of said metal oxide and at least one nitrate, said electrochemical deposition being carried out by a chronopotentiometry technique. The present invention also relates to the electrode thus prepared and to the uses thereof.

Abstract: An electronic chip includes at least an electronic circuit disposed on a front face of a substrate; and an embrittlement structure comprising at least blind holes, each extending through a rear face of the substrate and a portion of the thickness of the substrate and each having a section, in a plane parallel to the rear face of the substrate, of surface area S and having a closed outer contour, the shape of which includes at least one radius of curvature R, such that S>?·R2.

Abstract: Device for detecting neutrons with ionization chamber and with optical transduction comprising a plurality of optical cavities, each accommodating the free end of an optical fiber. The invention relates to a device (1) for detecting neutrons comprising at least one sealed ionization chamber (2) and with optical transduction with a plurality of cavities whose operation is each based on optical transduction using an optical fiber whose free end is within the cavity, which allows multipoint neutron-flux measurement, the measurement points being axially distributed.

Abstract: A component for detecting electromagnetic radiation includes a detection structure and a supply circuit for the detection structure. The detection structure includes a transistor associated with an absorbent element for detecting the rise in temperature of the absorbent element when electromagnetic radiation is absorbed. The supply circuit is configured to supply the detection structure in operation such that a channel zone of the structure has, at the location of one of its first and the second faces, a layer having carriers of a second type of conductivity opposite to a first type of conductivity of a source zone and of a drain zone of the transistor, the layer being referred to as blocking layer.

Abstract: A programmable integrated circuit, including: at least one component that changes over time, changing autonomously within the integrated circuit, as a function of the time that has elapsed since an initialization phase of the integrated circuit, this change taking place by virtue of an internal radioactive source, at least one control circuit sensitive to the temporal change of the component and having at least one protected internal output that changes state only after a programmable predefined duration has elapsed since the initialization phase of the integrated circuit.

Abstract: A method for determining an electrical model of a string of photovoltaic modules from a characteristic I(V) of the string includes detecting a first linear zone and a second linear zone of the characteristic I(V); initialising the parameters of a non-by-pass electrical model corresponding to a first operating condition, called a non-by-pass condition; optimising the parameters of the non-by-pass electrical model from a reference characteristic I(Vref) equal to I(V), determining the parameters of the electrical model corresponding to a second operating condition, called a by-pass condition, in order to obtain a by-pass electrical model from the characteristic determining, from the characteristic I(V) the best model among the non-by-pass model and the by-pass model.

Abstract: A method for manufacturing a concentrating photovoltaic solar sub-module equipped with a reflective face having a concave predefined geometric shape, wherein it includes laminating, in a single step, a multi-layer assembly comprising in succession: a structural element equipped with a reflective first face and a second face, opposite the first; a layer of a material of good thermal conductivity, higher than that of the material from which the structural element is composed, the layer being placed on the second face of the structural element; a layer of encapsulant or of adhesive; a photovoltaic receiver, the layer of encapsulant or of adhesive being placed between the layer of a material of good thermal conductivity and the receiver; a layer made of transparent encapsulating material, covering at least the entire surface of the photovoltaic receiver; and a transparent protective layer covering the layer made of transparent encapsulating material; and during the lamination, the reflective face of the structura

Abstract: A method of manufacturing an optoelectronic device, including the steps of: a) providing an active diode stack comprising a first doped semiconductor layer of a first conductivity type and a second doped semiconductor layer of the first conductivity type, coating the upper surface of the first layer; b) arranging a third semiconductor layer on the upper surface of the active stack; c) after step b), forming at least one MOS transistor inside and on top of the third semiconductor layer; and d) after step b), before or after step c), forming trenches vertically extending from the upper surface of the third layer and emerging into or onto the upper surface of the first layer and delimiting a plurality of pixels, each including a diode and an elementary diode control cell.

Abstract: A method includes transferring a layer onto a flexible substrate, the layer being located in a stack on the front face of the substrate. The substrate includes at least one supplementary stack interposed between the stack and the bulk layer of the substrate. This supplementary stack includes at least two layers with thicknesses decreasing in the direction of the front face. The method makes provision, after bonding the flexible substrate on the front face, for successively and gradually removing the various layers of the substrate. Such gradualness makes it possible to transfer a thin layer of silicon, with a thickness of less than 50 nm, onto a flexible substrate.

Abstract: A method of localizing a mobile body (MB) in a known environment, includes the following steps: a) defining an occupancy grid (G) modeling the environment; b) defining a set of position grids (?) each position grid being associated to a heading of the mobile body; c) receiving a time series of measurements (z1, z2, . . . ) from a distance sensor carried by the mobile body; and d) upon receiving a measurement of the time series, updating the pose probabilities of the position grids as a function of present values of the occupancy probabilities and of the received measurement; wherein step d) is carried out by applying an inverse sensor model to the received measurement, while considering the distance sensor co-located with a detected obstacle and by applying Bayesian fusion to update the pose probabilities of the position grids.

Abstract: A modulation device includes at least one memristive device, and a control block, the modulation device having an equivalent conductance yi(t) produced by the at least one memristive device and the control block being configured to receive a clock signal and perform a first modification of the equivalent conductance yi(t) upon receipt of each clock signal, receive an input voltage pulse and perform a second modification of the equivalent conductance yi(t) upon receipt of each input voltage pulse, the first and second modifications being in opposite directions.

Abstract: Display device including: a pixel matrix comprising a plurality of pixel groups, each group comprising a plurality of pixel blocks; a video card comprising an input configured to receive a digital signal to be displayed, and a plurality of outputs each coupled to a group by an associated primary data distribution network, the video card being configured to decode the digital signal and send to each of the outputs of digital data encoded in a format suitable for the matrix and intended to be displayed by the group coupled to said output; and wherein: each group includes a plurality of control circuits each associated with a block of the group and coupled to the associated main data bus; each pixel includes a driver circuit configured to generate pixel control signals.

Abstract: A method is provided for fabricating and inspecting a photovoltaic assembly including a base, at least one photovoltaic module, and at least one adhesion layer based on a crosslinkable polymer material. The method includes depositing the at least one adhesion layer on the base; an assembly step; a partial crosslinking step; an electrical connection step; inspecting for mechanical and electrical functioning; in the event of correct functioning being detected, a crosslinking finalization step; in the event of incorrect functioning being detected removing at least one defective photovoltaic module.

Abstract: A fuel cell and a method for regenerating this fuel cell, including a supply of the fuel cell by the main supply conduit by a fluid having a nominal flow rate and a nominal molar fraction of combustion agent, during a regeneration phase of a given group, a switching of the inlet, outlet and recirculation switches of the fluid circuit so as to supply the given group from the recirculation line of the given group and from a fluid discharge line of at least one other group, an application of a regeneration voltage Ve to the cells of the given group, Ve being less than or equal to 0.3V.